7887147720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{49307}}^1$

素因数の和:49395

約数の個数: 128

約数和(自身を含む): 24993239040

約数和(自身を除く): 17106091320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1333, 1720, 1860, 2580, 2666, 3720, 3999, 5160, 5332, 6665, 7998, 10664, 13330, 15996, 19995, 26660, 31992, 39990, 49307, 53320, 79980, 98614, 147921, 159960, 197228, 246535, 295842, 394456, 493070, 591684, 739605, 986140, 1183368, 1479210, 1528517, 1972280, 2120201, 2958420, 3057034, 4240402, 4585551, 5916840, 6114068, 6360603, 7642585, 8480804, 9171102, 10601005, 12228136, 12721206, 15285170, 16961608, 18342204, 21202010, 22927755, 25442412, 30570340, 31803015, 36684408, 42404020, 45855510, 50884824, 61140680, 63606030, 65726231, 84808040, 91711020, 127212060, 131452462, 183422040, 197178693, 254424120, 262904924, 328631155, 394357386, 525809848, 657262310, 788714772, 985893465, 1314524620, 1577429544, 1971786930, 2629049240, 3943573860, 7887147720]

約数ペア:

[(1, 7887147720), (2, 3943573860), (3, 2629049240), (4, 1971786930), (5, 1577429544), (6, 1314524620), (8, 985893465), (10, 788714772), (12, 657262310), (15, 525809848), (20, 394357386), (24, 328631155), (30, 262904924), (31, 254424120), (40, 197178693), (43, 183422040), (60, 131452462), (62, 127212060), (86, 91711020), (93, 84808040), (120, 65726231), (124, 63606030), (129, 61140680), (155, 50884824), (172, 45855510), (186, 42404020), (215, 36684408), (248, 31803015), (258, 30570340), (310, 25442412), (344, 22927755), (372, 21202010), (430, 18342204), (465, 16961608), (516, 15285170), (620, 12721206), (645, 12228136), (744, 10601005), (860, 9171102), (930, 8480804), (1032, 7642585), (1240, 6360603), (1290, 6114068), (1333, 5916840), (1720, 4585551), (1860, 4240402), (2580, 3057034), (2666, 2958420), (3720, 2120201), (3999, 1972280), (5160, 1528517), (5332, 1479210), (6665, 1183368), (7998, 986140), (10664, 739605), (13330, 591684), (15996, 493070), (19995, 394456), (26660, 295842), (31992, 246535), (39990, 197228), (49307, 159960), (53320, 147921), (79980, 98614)]